Высокоточный двухрядный цилиндрический роликоподшипник NSK NN3952MBKRCC0P4

Описание

Boundary Dimensions NN: Inner ring rib type Bearing Type d 260 mm Bore diameter D 360 mm Outside diameter B 75 mm Width r(min.) 2.1 mm Chamfer Dimension Basic Load Ratings C r 775 kN Basic Dynamic Load Rating C 0r 1380 kN Basic Static Load Rating Speeds Grease 2100 min -1 Limiting Speed Oil (Oil-air) 2600 min -1 Limiting Speed Dimensions Ew 335 mm Roller Circumscribed Circle Diameters s 1.1 mm Axial Displacement Abutment and Fillet Dimensions da(min.) 271 mm Diameter of Shaft Abutment d1a(min.) 275 mm Diameter of Shaft Abutment Da(min.) 338 mm Diameter of Housing Abutment Da(max.) 349 mm Diameter of Housing Abutment ra(max.) 2 mm Radius of Shaft or Housing Fillet Additional information CC1(max.) 55 μm Clearance in Bearings with Cylindrical Bores CC1(min.) 20 μm Clearance in Bearings with Cylindrical Bores CC1(max.) 110 μm Clearance in Bearings with Tapered Bores CC1(min.) 55 μm Clearance in Bearings with Tapered Bores CC0(max.) 70 μm Clearance in Bearings with Tapered Bores CC0(min.) 40 μm Clearance in Bearings with Tapered Bores CC9(max.) Clearance CC9 applicale to cylindrical roller bearings with tapered bores in ISO Tolerance Classes 5 and 4. 55 μm Clearance in Bearings with Tapered Bores CC9(min.) Clearance CC9 applicale to cylindrical roller bearings with tapered bores in ISO Tolerance Classes 5 and 4. 25 μm Clearance in Bearings with Tapered Bores 70 g/brg Recommended Grease Quantities Holes Dimensions dh 5 mm Hole Diameter W 9 mm Oil Groove Width m 4 Number of Holes Mass 21.4 kg Mass(approx.)